Description
Forged in San Francisco by assayers Kellogg & Humbert in 1857, the Eureka Bar is a one-of-a-kind monetary gold document with a face value of $17,433.57 — a literal piece of currency cast in pure California gold.
Artifact Details
- Weight: 933.34 oz of California gold
- Fineness: .903
- Face Value (1857): $17,433.57
- Provenance: Recovered from the S.S. Central America shipwreck
- Assayer: Kellogg & Humbert, San Francisco
- Historical Significance: The largest Gold Rush bar ever discovered

A Record-Setting Collectible
The Eureka Bar last sold in 2001 for $8 million, setting a world record at the time for the highest price ever paid for a numismatic item.

Adam Crum, President of Finest Known, holding the Eureka Bar — 21 years apart.
A National Treasure
The Eureka Bar holds both intrinsic and historical value. It is a unique financial document and a tangible store of wealth, forged from gold that has symbolized prosperity for thousands of years.
With its unrivaled provenance, cultural importance, and enduring allure, the Eureka Bar stands as one of America’s true National Treasures — now reemerging after more than two decades hidden from public view.




